Lexus RX trim comparison
2026 Lexus RX 350 vs 450h+ Premium
The RX 350 starts at $50,525 while the 450h+ Premium is $65,230. That $14,705 gap buys 8 meaningful differences.
This is a powertrain and drivetrain change. The 450h+ Premium gets the 2.5L I4 phev and AWD, so the $14,705 is buying a different driving experience, not just nicer trim.
Choose the 350 if the 2.4L I4 Turbo with FWD already covers the way you drive. Move to the 450h+ Premium only when the 2.5L I4 phev and AWD combo is the reason you are shopping higher, because that is the real hardware split here.
If you are budgeting this move monthly, the jump from the 350 to the 450h+ Premium is about $259/month on a 60-month loan at 6.5% APR with 10% down. That works out to roughly $15,540 more by the time interest is counted. The payment only makes sense if that different powertrain matters to the way you actually drive, tow, or live with the vehicle.
Lock one trim, change the other side, and move through exact pair pages without resetting back to the full lineup every time.
Who notices the difference
The higher trim starts to make more sense when you are specifically shopping for the stronger powertrain, not just more trim content.
When both feel the same
Both the 350 and 450h+ Premium share the same identical wheelbase and body dimensions.
The upgrade math
You are paying $14,705 for 7 measurable differences, which works out to about $2,101 per change.
Key Differences at a Glance
This is the fast read: price, power, efficiency, and the feature flips most likely to change the answer.
Every Difference, Side by Side
This is the full read behind the quick decision signals above: the complete hardware, comfort, and equipment story. 8 specification differences, 0 shared.
Full Specification Comparison
Specifications reflect available data as of early 2026. Confirm details with an authorized dealer before purchasing.
| Spec | 350 | 450h+ Premium |
|---|---|---|
| Pricing | ||
| MSRP | $50,525 | $65,230 |
| Powertrain | ||
| Engine | 2.4L I4 Turbo | 2.5L I4 phev |
| Horsepower | 275 hp | 304 hp |
| Torque | 317 lb-ft | No published data |
| Transmission | 8-speed shiftable automatic | continuously variable-speed automatic |
| Drivetrain | FWD | AWD |
| Fuel Economy | ||
| City MPG | 22 | 37 |
| Highway MPG | 29 | 34 |
| Combined MPG | 25 | 36 |
| Fuel Tank | 17.8 gal | 14.5 gal |
| Annual Fuel Cost (EPA) | $2,300/yr | $1,600/yr |
| Dimensions | ||
| Curb Weight | 4,155 lbs | 4,810 lbs |
| Wheelbase | 112.2" | 112.2" |
| Length | 192.5" | 192.5" |
| Width | 75.6" | 75.6" |
| Height | 67.3" | 67.3" |
| Safety | ||
| NHTSA Overall | 5/5 stars | 5/5 stars |
| Warranty | ||
| Bumper-to-Bumper | 4yr/50k | 4yr/50k |
| Powertrain | 6yr/70k | 6yr/70k |
| Corrosion | 6yr/unlimited | 6yr/unlimited |
| Roadside Assistance | 4yr/unlimited | 4yr/unlimited |
Data sources: licensed third-party automotive data, EPA fueleconomy.gov, NHTSA, and official manufacturer materials. Values marked est. are estimated.
2026 Lexus RX 350 vs 450h+ Premium Questions Shoppers Ask
Use this page for the direct trim answer, then zoom back out to the Lexus RX lineup, the Lexus brand hub, the Midsize SUVs, the how to pick a trim guide, or our mid-trim value research when you need the bigger shopping path behind this one matchup.
How much more does the 2026 RX 450h+ Premium cost than the 350?
The 450h+ Premium starts at $65,230 compared to $50,525 for the 350. That is a $14,705 difference, or approximately $259/month more on a 60-month loan.
Do the 2026 Lexus RX 350 and 450h+ Premium have the same engine?
No. The 350 uses a 2.4L I4 Turbo (275 hp, 317 lb-ft), while the 450h+ Premium has the 2.5L I4 phev (304 hp). That is 29 more horsepower. Both pair with the same 8-speed shiftable automatic.
Does the 2026 RX 350 come with AWD?
No. The 350 comes standard with FWD while the 450h+ Premium has AWD. This affects traction, fuel economy, and curb weight.
Is the 2026 RX 350 or 450h+ Premium safer?
Both share the same Lexus RX platform with an overall 5-star NHTSA safety rating. Safety ratings are model-level and identical across trims. The trim choice affects comfort and features, not crash protection.
What warranty does the 2026 Lexus RX come with?
All 2026 Lexus RX trims, including both the 350 and 450h+ Premium, come with Lexus's standard warranty: 4yr/50k bumper-to-bumper and 6yr/70k powertrain coverage. Warranty does not vary by trim level.
Is the 2026 Lexus RX 450h+ Premium worth $14,705 more than the 350?
The 450h+ Premium changes both the engine and drivetrain for $14,705 more. That is a hardware upgrade, not just a feature bump.
Which 2026 Lexus RX trim gets better fuel economy, the 350 or the 450h+ Premium?
The 450h+ Premium is the more efficient of the two at 36 combined MPG, versus 25 for the other trim. That matters most if you are balancing running costs against the extra power, drivetrain, or comfort equipment tied to the pricier trim.
The Full Story Behind This Price Gap
Use the direct answer above for this exact matchup, then use these guides to understand whether you are really looking at a feature step-up, a package shuffle, or the point where the lineup starts changing in a meaningful way.
What $14,705 Gets You
The RX 450h+ Premium is a clear upgrade over the 350. The $14,705 price increase gets you the 2.5L I4 phev engine (+29 hp) and AWD -- real functional changes, not just cosmetics.
350 vs. 450h+ Premium: Day-to-Day
The 450h+ Premium comes with the 2.5L I4 phev instead of the 350's 2.4L I4 Turbo. The 450h+ Premium includes AWD, which adds confidence in rain, snow, and light off-road conditions. It also increases curb weight and slightly reduces fuel economy.
Fuel Economy Comparison
The RX 450h+ Premium gets 11 more combined MPG. At $3.50/gallon and 12,000 miles/year, that saves roughly $513 per year or $2,565 over five years of ownership.
Summary
$14,705 more for the RX 450h+ Premium gets you 7 real differences. At $259/month more, the question is whether those specific changes are things you will use regularly.
Trim-Matched Accessories
These add-ons are split by trim intent so the recommendations follow the actual use case, not just the same repeated product block.
Lexus RX 350
Value-trim add-onsThese picks fit the 350 best when the goal is covering the daily-use gaps without paying up to the next trim.
Lexus RX 450h+ Premium
Step-up trim add-onsThese picks suit the 450h+ Premium when you want the accessories to match the nicer cabin, broader utility, or more premium use case.
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Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material for the 2026 model year. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with Lexus or any dealership.
Page updated 2026-03-18. Verify equipment, pricing, and regional availability with the manufacturer or dealer.